Phlox species

phlox

Plants of Home and Garden

Seed may be sown shallowly in fall or spring; may require pre-chilling. Germination can be erratic. Grow in most fertile, well-drained soils, sun to part shade, though sun ideal especially in cooler climates. Divide every 2-3 years, in spring. Typically good plants for rock gardens. Zones 3-9

Seed for Phlox decussata requires 6 weeks' stratification prior to sowing in spring, or sow seed in fall; may also be grown from root cuttings in winter, as may Phlox maculata and Phlox paniculata